CATHERINE A MASCARENAS (MS, FNP-C) – Nurse Practitioner, NPI 1043347065

CATHERINE A MASCARENAS (MS, FNP-C) is a healthcare provider. based in Aurora, Colorado. specializing in NURSE PRACTITIONER. They hold the professional credentials MS, FNP-C. They hold a License No. 118557 (CO). The NPI Number for CATHERINE A MASCARENAS (MS, FNP-C) is 1043347065

Main info

Female
24 Years Of Experience
Accepts Medicare Assignment
Name
CATHERINE A MASCARENAS (MS, FNP-C)
NPI
1043347065
Phone
(303) 338-4545
Address
2500 S HAVANA ST
Enumeration Date
27 February 2007
Last Update Date
9 September 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7209231250
Graduation Year
2002 (24 years ago)
PAC ID
2961560412
Group Practice PAC ID
0840212809
Professional Enrollment ID
I20081028000153
Address ID
CO802153736LA12600AVEX402

Contacts

SOAP Endpoint
https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggateway
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness95
Years active:19State licenses:1Other names

5,198 NURSE PRACTITIONER in CO

Provider Addresses for CATHERINE A MASCARENAS (MS, FNP-C)

  • 2500 S HAVANA ST

    AURORA, CO 800141618

    Phone: (303) 338-4545

    Type: Mailing

  • 2550 S PARKER RD

    AURORA, CO 800141622

    Phone: (303) 338-4545

    Type: Location

  • 10350 E DAKOTA AVE

    DENVER, CO 802471314

    Phone: (303) 338-3382

    Type: Mailing

  • 7175 W FREMONT PL

    LITTLETON, CO 801284748

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-10-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20081028000153INurse PractitionerCOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 80014)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0840212809View full group profile
NameSpecialtyState
Family PracticeCO
Nurse PractitionerCO
Nurse PractitionerCO
Nurse PractitionerCO
Nurse PractitionerCO
Nurse PractitionerIA
Nurse PractitionerCO
-CO
Physician AssistantCO
Nurse PractitionerCO

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the 10-digit NPI for CATHERINE A MASCARENAS (MS, FNP-C)?
CATHERINE A MASCARENAS (MS, FNP-C) — NPI 1043347065 — is the standard way to identify this listing.
Can I rely on CATHERINE A MASCARENAS (MS, FNP-C) being an active provider?
As of the registry snapshot, CATHERINE A MASCARENAS (MS, FNP-C) is marked active.
What is CATHERINE A MASCARENAS (MS, FNP-C)'s primary classification?
Nurse Practitioner is the headline specialty for CATHERINE A MASCARENAS (MS, FNP-C) here. Clinical services aligned with this taxonomy classification.
What address line appears for CATHERINE A MASCARENAS (MS, FNP-C)?
CATHERINE A MASCARENAS (MS, FNP-C)'s geographic hint is Aurora, Colorado in our summary view.
How many locations tie to this NPI?
5 practice locations appear in the available data.

Similar Providers

14301 E HAMPDEN AVE
NPI: 1205838901

BARBARA SULLIVAN (N.P.)

Nurse Practitioner
1444, South Potomac Street, Aurora, Arapahoe County, Colorado, 80012, United States
NPI: 1063408912

CHAD A KRASKE (NP)

Nurse Practitioner
1444, South Potomac Street, Aurora, Arapahoe County, Colorado, 80012, United States
NPI: 1225024078

JILL HULBERT (N.P.)

Nurse Practitioner
1421, South Potomac Street, Aurora, Arapahoe County, Colorado, 80012, United States
NPI: 1164419800

KRISTA MARLENE RAY (APN)

Pediatric Nurse Practitioner
13123 E 16th Ave
NPI: 1225025901
5581, South Biloxi Way, Aurora, Arapahoe County, Colorado, 80016, United States
NPI: 1215926787
PO BOX 412
NPI: 1154392546